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For the Inventor, By the Inventor

Tokyo, Japan

Nihon Kousakuyu Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 5

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8 inventors (with patents filed for the assignee):

goldMedal Shigeki Kimura (2 out of 2 patents)

silverMedal Takeshi Kobori (2 out of 2 patents)

bronzeMedal Masamitu Tamura (1 out of 4 patents)

4.  Shigeharu Nakamura (1 out of 3 patents)

5.  Tsuyoshi Matsumoto, Deceased (1 out of 1 patent)

6.  Kazuhide Takaishi (1 out of 1 patent)

7.  Mituru Uemura (1 out of 1 patent)

8.  Tadashi Ito (1 out of 1 patent)


2 patents:

1. 4761241 - Oily lubricant for cold plastic processing of metallic material (1988-08-02),
2. 4755309 - Cold working lubricant for metallic conduits (1988-07-05),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#4,062 in Tokyo

#10,962 in Japan

...
Tokyo, Japan

Nihon Kousakuyu Co., Ltd.

Forward Citations = 5

8 inventors:

goldMedal Shigeki Kimura (2 out of 2 patents)

silverMedal Takeshi Kobori (2 out of 2 patents)

bronzeMedal Masamitu Tamura (1 out of 4 patents)

4.  Shigeharu Nakamura (1 out of 3 patents)

5.  Tsuyoshi Matsumoto, Deceased (1 out of 1 patent)

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